Level and compass.



.No. 898,092. PATENTED SEPT. s, 1908.

- A. CARRIER. LEVEL AND compass.

APPLICATION FILED JULY 25,1907.

Q/Vi hi eases MMWOTAWAI ADELOR CARRIER, OF ALABASTER, MICHIGAN.

LEVEL AND COMPASS.

Specification of Letters Patent.

Patented Sept. 8, 1908.

Application filed July 25, 1907. Serial No. 385,495.

To all whom it may concern:

Be it known that I, ADnLoR citizen of the United States, residing atAlabaster, in the county of Iosco and State of Michigan, have invented anew and useful Improvement in a Level and Compass, of which thefollowing is aspecifioation.

This invention relates to a level and compass, the object being toprovide a device which is especially adapted for alining anc levelingshafts of all kinds.

Another object of my invention is to provide a device which can be usedfor survey ing foundations of small houses and the like.

Another object of my invention is to pro vide the instrument withadjustable legs so that shafts with ulleys and motor-shafts can bereadily leve ed.

Another object of my invention is to pro vide very novel means foradjusting the compass so as to hold the same in a horizon tal positionwhen using the instrument for surveying.

Still another object of my invention is to rovide a compass with anadjustable needle adapted to beset with the compass needle, so as totell exactly the direction the shaft runs, in order that a shaft onanother floorcan be put in perfect parallel alinement with the same.

With these objects in view, the invention consists in the novel featuresof construction, combination and arrangement of parts, hereinafter fullydescribed and pointed out in the claims.

In the drawing forming a part of this specification:Figure 1 is a sideview of my improved instrument. Fig. 2 is an end view of an instrument,showing into a horizontal position. Fig. 3 is a plan view of the compassand a portion of the stock. Fig. 4 is a transverse sectional viewthrough Fig. 3. Fig. 5 is a side view of my improved instrument, thelegs being attached and arranged on the shaft to. be leveled. Fig. 6 isa section taken on line 6-6 of Fig. 5.

Referring to the drawing A indicates a stock preferably formed of metalhaving flanged upper and lower leveling edges, and provided withopenings adjacent each end, in which are secured spirit vials B Anopening is formed centrally in the stock adjacent one leveling edge inwhich is secured a spirit vial C. The stock is provided with a CARRIER,a

circular opening under the vial C, in which is pivotally mounted on thepin D and set screw the comp ass swung E a compass case F provided witha central stud carrying a compass needle G, the case being inclosed by aglass and a dial ring H divided into suitable subdivisions to indicatedegrees and portions of degrees, and also provided with spaces todesignate thev difierent oints of a compass and sub-divisions. The caseis flanged as shown at F on which is mounted a grooved block I carryinga needle I, and provided with a set-screw l for locking the block on theflange of the compass in alinement with the compass point, so that thedirection of a shaft can be readily determined as will hereinafter befully described.

It will be seen that by loosening the thumb-screw holding the compasscase, it can be swung down into a horizontal position as shown at Fig. 2for using the device as a surveying instrument. A rear-sight J ismounted in the flange of the stock at one end and a front-sight K ismounted in the flange of the stock at the other end, so that the stockcan be sighted so as to bring it into true alinement with the compasspoint, or any degree of the compass dial.

Secured on the lower flange of the stock, adjacent each end byset-screws, are guideblocks L carried by a bar L provided with bracketsL carrying set screws L on which are slidably mounted slotted legs Mhaving threaded bores formed adjacent their lower ends, in which aremounted set-screws M adapted to fit into the recess of a shaft. Slotsare formed in the legs, above the board, in which are slidably mountedbolts carried by clamping blocks N which are secured in place bywing-nuts working on the bolt, the clamping blocks being adapted to reston the upper portion of the shaft so as to securely ho d the legs inplace on the same. Notches are formed in the lower ends of the legs, so

that the legs can be readily placed .on a shaft when leveling a shaftprovlded with a pulley.

The operation of the device for alining shafts is as follows :Thegrooved leveling edge of the stock is placed up against one of theshafts and held there until the compass needle has turned until itpoints direct north, the needle carried by the block is then adjusted onthe flange to register with the compass needle, thus marking the numberof degrees the shaft lies off from direct north. It is then removed andcarried to the other shaft which is adapted to be alined with the samewhich may be in any other part of the building, and the grooved edgeplaced up against the same and the shaft moved until the compass pointregisters with the needle, thereby bringing the two shafts in directalinement with each other.

From the foregoing description it will be readily seen that I haveprovided a very novel leveling and alinement instrument, which isexceedingly simple and cheap in construction and one which is veryuseful in use for truing and alining shafts of all kinds.

Having thus fully described my invention, what I claim as new and desireto secure by Letters Patent is 1. In a device of the kind described, thecombination with a stock provided with spirit vials, of a compassadjustably mounted in said stock, adjustable legs carried by said stockand set screws working in the lower ends of said legs, for attachingsaid legs to a shaft.

2. In a device of the kind described, the combination with a stockhaving vertical vials adjacent each end, and a central hori-' zontalvial, of a bar secured to one edge of said stock provided with brackets,legs adjustably mounted on said brackets, and means carried by said legsfor securing said legs on a shaft, for the purpose described.

3. A device of the kind described comprising a stock, a pivotallymounted compass carried thereby, brought into alinement with tie compassneedle, legs supporting the stock, screws carried by said legs to engageends of a shaft, and blocks carried by and adjustable on the legs toengage the sides of the shaft.

4. In a device of the kind described, the combination with a stockcarrying a pivotally mounted compass, a bar, blocks carried by the bar,means for securing said blocks to the stock, brackets carried by thebar, supporting legs carried by said brackets, and means carried by saidlegs for engaging opposite end portions of a shaft.

ADELOR CARRIER.

Witnesses:

CHARLIE KANE, JOHN ARMSTRONG.

a needle ada ted to be

